The way of data transfer in DMA mode, control method of logical programmable device and design of driver program are discussed to solve the key point of sequential transmission. 给出DMA工作方式下数据传输的设计方法,可编程逻辑器件的控制逻辑和驱动程序设计,解决了数据传输连续性的关键问题。
As a result, the authors suggested that strict calibration and adjustment of equipment and regular quality control program of film processing in daily routine are key points to image quality assur-ance. 同时强调,严格设备调试和加强日常工作中冲洗质量管理是保证影像质量的重要环节。
The technology requirements and control key of heat flowmeter are introduced. The hardware structure and main program of heat flowmeter using MSP430 single chip microcomputer as control key are studied. 介绍了热量表的技术要求及控制核心,对以MSP430系列单片机作为控制核心的热量表的硬件结构及主程序进行了研究。
So following anti-surge control program is the key point of this design. 因为喘振是离心压缩机所固有的特性,所以随动反喘振控制方案就是这次设计的核心。
The numerical control program management system and key technique that base on the Web 基于Web数控程序管理系统及关键技术
Application of a temperature control device in the drying process of grain was studied to present the principle and the method of the system and introduce the method to program the key software. 本文报告了一种粮食烘干过程中的温度控制装置的研究及应用。给出了系统组成原理和构成方法,介绍了关键软件的编程方法。
On the basis of "The research and manufacture of electrical control system of MW VSCF Wind Generation" which is a national 863 program, the paper emphasized the key technology of the grid-side voltage source converter. 本文的课题以国家863项目子课题兆瓦级变速恒频风力发电机组电控系统的研制为依托,着重研究了控制技术中网侧三相电压型变换器的关键技术。
How to choose the circuit topology and control program of the driver is the key to achieve a high performance, high reliability, efficiency and high adaptability driven effect. Firstly, this paper established the mathematical model of the system. 而如何选择驱动电路拓扑及控制方案,更是实现高性能、高可靠、高效率、高适应性电机驱动的核心问题。论文首先建立了系统的数学模型。
Then the paper analysis control functions of the stage control system, design the hardware circuit program and calculations the key hardware modules of schematic. 之后分析舞台控制系统的控制功能,设计硬件电路方案并对关键硬件模块的原理图设计进行分析和计算。
The interpreted of numerical control program was studied. First, introduced the grammar and the rules of reading. Than analyze the process of the interpreted and the key functions in the interpreter. 之后重点研究了数控程序解释功能的实现方法,介绍了数控程序的语法结构和读取规则,对译码模块的工作流程和关键函数功能进行了分析。
The designing and the control program of the key part of the machine tool are analyzed. The theory designing program of the feeding for cutter head is finished, and the automatic feeding is complemented by using the Archimedean thread. 本文通过对机床关键部分的机械方案和控制方案的分析,完成了刀盘进给部分的理论设计方案,通过使用阿基米德螺线平面螺纹实现了自动进刀。
Since the system has wanted use with CPLD acquisition card, the entire system control commands sent from the host computer, then signaling system performs the appropriate actions, signaling system and CPLD data acquisition card communication program is the key part of the software. 由于本系统需要与CPLD采集卡联机使用,整个系统的控制命令由上位机发出,信号系统通过读取控制命令执行相应的操作,信号系统与CPLD数据采集卡的通信程序是软件部分的关键。
Based on the research of characteristics of ultra-precision machining, a single parameter control program is put forward. Put forward requires for the operating speed mode of the grinding head, and some key indicators of institutional operation is set up. 通过对超精密加工特点的研究,提出了单参数控制的方案和磨头转速要求,并在此基础上提出了关键机构运动的指标。